1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/mobile/android/base/sync/synchronizer/Synchronizer.java Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,105 @@ 1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.7 + 1.8 +package org.mozilla.gecko.sync.synchronizer; 1.9 + 1.10 +import org.mozilla.gecko.background.common.log.Logger; 1.11 +import org.mozilla.gecko.sync.SynchronizerConfiguration; 1.12 +import org.mozilla.gecko.sync.repositories.Repository; 1.13 +import org.mozilla.gecko.sync.repositories.RepositorySessionBundle; 1.14 + 1.15 +import android.content.Context; 1.16 + 1.17 +/** 1.18 + * I perform a sync. 1.19 + * 1.20 + * Initialize me by calling `load` with a SynchronizerConfiguration. 1.21 + * 1.22 + * Start synchronizing by calling `synchronize` with a SynchronizerDelegate. I 1.23 + * provide coarse-grained feedback by calling my delegate's callback methods. 1.24 + * 1.25 + * I always call exactly one of my delegate's `onSynchronized` or 1.26 + * `onSynchronizeFailed` callback methods. In addition, I call 1.27 + * `onSynchronizeAborted` before `onSynchronizeFailed` when I encounter a fetch, 1.28 + * store, or session error while synchronizing. 1.29 + * 1.30 + * After synchronizing, call `save` to get back a SynchronizerConfiguration with 1.31 + * updated bundle information. 1.32 + */ 1.33 +public class Synchronizer implements SynchronizerSessionDelegate { 1.34 + public static final String LOG_TAG = "SyncDelSDelegate"; 1.35 + 1.36 + protected String configSyncID; // Used to pass syncID from load() back into save(). 1.37 + 1.38 + protected SynchronizerDelegate synchronizerDelegate; 1.39 + 1.40 + protected SynchronizerSession session = null; 1.41 + 1.42 + public SynchronizerSession getSynchronizerSession() { 1.43 + return session; 1.44 + } 1.45 + 1.46 + @Override 1.47 + public void onInitialized(SynchronizerSession session) { 1.48 + session.synchronize(); 1.49 + } 1.50 + 1.51 + @Override 1.52 + public void onSynchronized(SynchronizerSession synchronizerSession) { 1.53 + Logger.debug(LOG_TAG, "Got onSynchronized."); 1.54 + Logger.debug(LOG_TAG, "Notifying SynchronizerDelegate."); 1.55 + this.synchronizerDelegate.onSynchronized(synchronizerSession.getSynchronizer()); 1.56 + } 1.57 + 1.58 + @Override 1.59 + public void onSynchronizeSkipped(SynchronizerSession synchronizerSession) { 1.60 + Logger.debug(LOG_TAG, "Got onSynchronizeSkipped."); 1.61 + Logger.debug(LOG_TAG, "Notifying SynchronizerDelegate as if on success."); 1.62 + this.synchronizerDelegate.onSynchronized(synchronizerSession.getSynchronizer()); 1.63 + } 1.64 + 1.65 + @Override 1.66 + public void onSynchronizeFailed(SynchronizerSession session, 1.67 + Exception lastException, String reason) { 1.68 + this.synchronizerDelegate.onSynchronizeFailed(session.getSynchronizer(), lastException, reason); 1.69 + } 1.70 + 1.71 + public Repository repositoryA; 1.72 + public Repository repositoryB; 1.73 + public RepositorySessionBundle bundleA; 1.74 + public RepositorySessionBundle bundleB; 1.75 + 1.76 + /** 1.77 + * Fetch a synchronizer session appropriate for this <code>Synchronizer</code> 1.78 + */ 1.79 + protected SynchronizerSession newSynchronizerSession() { 1.80 + return new SynchronizerSession(this, this); 1.81 + } 1.82 + 1.83 + /** 1.84 + * Start synchronizing, calling delegate's callback methods. 1.85 + */ 1.86 + public void synchronize(Context context, SynchronizerDelegate delegate) { 1.87 + this.synchronizerDelegate = delegate; 1.88 + this.session = newSynchronizerSession(); 1.89 + this.session.init(context, bundleA, bundleB); 1.90 + } 1.91 + 1.92 + public SynchronizerConfiguration save() { 1.93 + return new SynchronizerConfiguration(configSyncID, bundleA, bundleB); 1.94 + } 1.95 + 1.96 + /** 1.97 + * Set my repository session bundles from a SynchronizerConfiguration. 1.98 + * 1.99 + * This method is not thread-safe. 1.100 + * 1.101 + * @param config 1.102 + */ 1.103 + public void load(SynchronizerConfiguration config) { 1.104 + bundleA = config.remoteBundle; 1.105 + bundleB = config.localBundle; 1.106 + configSyncID = config.syncID; 1.107 + } 1.108 +}